package com.tys.algorithm.bak.code2;

public class Test {
    public static void main(String[] args) {
        System.out.println((0 - 1) / 2);

//        int[] arr = {3, 3, 100};
//        int i = 0;
//        int j = 1;
//        arr[i] = arr[i] ^ arr[j];
//        arr[j] = arr[i] ^ arr[j];
//        arr[i] = arr[i] ^ arr[j];
//        System.out.println(arr[i]+","+arr[j]);
//        System.out.println(arr[i]);
//        System.out.println(arr[j]);
//        System.out.println(3^3);
//        System.out.println("============");
//        int a = 3;
//        int b = 3;
//        System.out.println(a^b);
    }
}
